Commitments and Contingent Liabilities - Estimated Accrual Liability (Details) - National Prescription Opiate Litigation - USD ($) $ in Millions	Mar. 31, 2022	Mar. 31, 2021
Loss Contingencies [Line Items]
Loss contingency, accrual, current	$ 1,046	$ 0
Loss contingency, accrual, noncurrent	7,220	8,067
Loss contingency accrual	$ 8,266	$ 8,067

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

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Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

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